These entries are queried from radb.net using whois, you can try my project getting these.
:AS138163 route: 103.121.194.0/23 descr: Bangladesh University of Professionals origin: AS138163 mnt-by: MAINT-BUP-ICT-BD last-modified: 2018-08-29T15:06:52Z source: APNIC rpki-ov-state: valid route: 103.121.194.0/24 origin: AS138163 descr: Bangladesh University of Professionals (BUP) ICT Centre, Mirpur Cantonment, BUP,, Dhaka-1216 mnt-by: MAINT-BUP-ICT-BD last-modified: 2019-10-22T08:19:35Z source: APNIC rpki-ov-state: valid route: 103.121.195.0/24 origin: AS138163 descr: Bangladesh University of Professionals (BUP) ICT Centre, Mirpur Cantonment, BUP,, Dhaka-1216 mnt-by: MAINT-BUP-ICT-BD last-modified: 2019-10-22T08:19:35Z source: APNIC rpki-ov-state: valid